Three-dimensional printer



FIG. 1 is a top, front, right perspective view of a three-dimensionalprinter showing a first embodiment of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top, front, right perspective view showing a secondembodiment thereof;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a back view of FIG. 8;

FIG. 11 is a left-side view of FIG. 8;

FIG. 12 is a right-side view of FIG. 8;

FIG. 13 is a top view of FIG. 8;

FIG. 14 is a bottom view of FIG. 8;

FIG. 15 is a top, front, right perspective view showing a thirdembodiment thereof;

FIG. 16 is a front view of FIG. 15;

FIG. 17 is aback view of FIG. 15;

FIG. 18 is a left-side view of FIG. 15;

FIG. 19 is a right-side view of FIG. 15;

FIG. 20 is a top view of FIG. 15;

FIG. 21 is a bottom view of FIG. 15;

FIG. 22 is a top, front, right perspective view showing a fourthembodiment thereof;

FIG. 23 is a front view of FIG. 22;

FIG. 24 is aback view of FIG. 22;

FIG. 25 is a left-side view of FIG. 22;

FIG. 26 is a right-side view of FIG. 22;

FIG. 27 is a top view of FIG. 22;

FIG. 28 is a bottom view of FIG. 22;

FIG. 29 is a top, front, right perspective view showing a fifthembodiment thereof;

FIG. 30 is a front view of FIG. 29;

FIG. 31 is a back view of FIG. 29;

FIG. 32 is a left-side view of FIG. 29;

FIG. 33 is a right-side view of FIG. 29;

FIG. 34 is a top view of FIG. 29; and,

FIG. 35 is a bottom view of FIG. 29.

The broken lines of the three-dimensional printer depict unclaimedenvironmental subject matter.

CLAIM The ornamental design for a three-dimensional printer, as shown and described. 